Hylas is a line of semi-custom, center cockpit cruisers originally intended for the charter trade. The brand was created by Joseph Huang of Queen Long Marine Ltd., located in Taiwan. The first boat was the S&S designed STEVENS 47, which were sold mostly to Bill Stevens of Stevens Yacht Charters. (This model later became the HYLAS 47 and 49 (which is an extended version of the 47). Caribean Yacht Charters was also a major purchaser of HYLAS boats.
Models have included the 42, 44, 45.5, 46, 47, 49, 54, and 70. All except the 47/49 were designed by German Frers.